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<p>The anti-penetration performance of protective armor is of paramount importance for security in modern battlefield scenarios. This study presents a ceramic composite structure based on a B<sub>4</sub>C/Al transition layer (B<sub>4</sub>C-B<sub>4</sub>C/Al-UHMWPE), designed to enhance the anti-penetration capability of protective armor. Through ballistic tests, the anti-penetration performance of this composite structure was investigated and compared with that of the conventional B<sub>4</sub>C/UHMWPE composite structure. Results demonstrate that the introduction of the B<sub>4</sub>C/Al transition layer effectively mitigates damage to the B<sub>4</sub>C faceplate and reduces the bulging height of the backplate, thereby enhancing the overall anti-penetration capacity of the target plate. To further optimize the anti-penetration performance of this structure, an approximate model for the anti-penetration performance of the B<sub>4</sub>C-B<sub>4</sub>C/Al-UHMWPE structure was constructed based on a validated numerical model, integrating Latin hypercube experimental design and the response surface model (RSM). Multi-objective optimization was subsequently conducted using the NSGA-II algorithm. Finally, the optimized composite structure was validated via ballistic tests, revealing that under similar areal density, the backplate bulging height of the optimized structure was significantly reduced by 40.5% compared to the original design. This research provides novel insights for optimizing the anti-penetration performance of ceramic composite structures and offers theoretical foundations and technical support for armor design in practical applications.</p>

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Multi-objective Optimization Design of Anti-penetration Performance for Ceramic Composite Structures with B4C/Al Transition Layers

  • 期刊论文

  • 发表日期：

    2026年4月13日

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  • Zhihong Zhao,
  • Ao Zhang,
  • Yi Qu,
  • Qiang Yan,
  • Wang Liu,
  • Yong Mei

摘要

The anti-penetration performance of protective armor is of paramount importance for security in modern battlefield scenarios. This study presents a ceramic composite structure based on a B4C/Al transition layer (B4C-B4C/Al-UHMWPE), designed to enhance the anti-penetration capability of protective armor. Through ballistic tests, the anti-penetration performance of this composite structure was investigated and compared with that of the conventional B4C/UHMWPE composite structure. Results demonstrate that the introduction of the B4C/Al transition layer effectively mitigates damage to the B4C faceplate and reduces the bulging height of the backplate, thereby enhancing the overall anti-penetration capacity of the target plate. To further optimize the anti-penetration performance of this structure, an approximate model for the anti-penetration performance of the B4C-B4C/Al-UHMWPE structure was constructed based on a validated numerical model, integrating Latin hypercube experimental design and the response surface model (RSM). Multi-objective optimization was subsequently conducted using the NSGA-II algorithm. Finally, the optimized composite structure was validated via ballistic tests, revealing that under similar areal density, the backplate bulging height of the optimized structure was significantly reduced by 40.5% compared to the original design. This research provides novel insights for optimizing the anti-penetration performance of ceramic composite structures and offers theoretical foundations and technical support for armor design in practical applications.